Russian backed cellco Sistema Shyam Teleservices Ltd (SSTL) which has had its licences revoked under a decision by the Supreme Court, has recorded a 136% year-on-year increase in annual revenues for the full-year 2011 to INR12.349 billion (USD236.33 million). Over the twelve month period, SSTL saw its subscriber base increase by 77.9% to 15 million. The company noted revenues of INR3.718 billion from non-voice revenues, including value added services (VAS) and mobile data, an increase of 327% year-on-year and contributing 33% of all revenues. Blended ARPU, meanwhile, edged up to INR84 for the year. SSTL ended 2011 with 1.34 million data card subscribers, adding 270,000 customers in the final quarter of the year, the highest additions for a single quarter to date.